TiN

Titanium Nitride (TiN) is a hard ceramic coating compound combining titanium and nitrogen, widely used as a thin-film or surface treatment material rather than a bulk structural material. It is deposited via physical vapor deposition (PVD) or chemical vapor deposition (CVD) onto tools, components, and wear surfaces to dramatically improve hardness, wear resistance, and corrosion resistance. TiN is the industry standard for cutting tool coatings, mold surfaces, and tribological applications where extending tool life and reducing friction are critical; engineers select it when baseline material hardness is insufficient and cost-effective surface enhancement is preferred over wholesale material substitution.